CN1946210A - TD-SCDMA mobile phone for quick open, start and display and its realizing method - Google Patents
TD-SCDMA mobile phone for quick open, start and display and its realizing method Download PDFInfo
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- CN1946210A CN1946210A CNA2006100694658A CN200610069465A CN1946210A CN 1946210 A CN1946210 A CN 1946210A CN A2006100694658 A CNA2006100694658 A CN A2006100694658A CN 200610069465 A CN200610069465 A CN 200610069465A CN 1946210 A CN1946210 A CN 1946210A
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Abstract
This invention discloses a TD-SCDMA cell phone of quickly starting up and displaying and its realization method including a non-breaking volatile storage NAND FLASH, a primary EMS memory of an executing process, an outside device and a microprocessor, in which, the loading process of cell phones is put on the first block of the NAND FLASH storage, and the position of display picture data of cell phones in the NAND FLASH storage is not included in the primary program of the cell phone and it is started up and displays two seconds after a user presses the supply key and supports RTC timing and charge by plugging a charger.
Description
Technical field
The invention belongs to the technical field of mobile communication terminal, more particularly relate to the technology that the TD-SCDMA mobile phone power-on starts.
Background technology
Existing TD-SCDMA mobile phone can be supported multiple internal memory simultaneously, and a lot of mobile phones all are to adopt the non-power-failure volatile ram to be used for storing embedded program, and the non-power-failure volatile ram here mainly is meant the NANDFLASH flash memories.Because the intrinsic feature of NAND FLASH flash memories itself, handset program can not move in NAND FLASH, code must be copied in the SRAM/SDRAM memory of portable terminal to move.So also have a fritter inner buffer usually or need not to carry out initialized internal memory (RAM random asccess memory) in cell phone apparatus, the guidance unit that is used for being stored in the non-power-failure volatile ram duplicates, and carries out system loads.
The big more needed copy time of the size of code of mobile phone is long more, because the TD-SCDMA mobile phone can not carry out button inspection and the demonstration of LCD picture in loading procedure at present, can only be after having copied main program, just can carry out the inspection of start conditions such as button and the demonstration of start-up picture during the main program start, so just cause mobile phone power-on long start-up time, from the user press the start key to the time that shows start LCD picture and light key-press backlight up to more than 10 seconds, it is extremely inconvenient to make the user use, can be misinterpreted as mobile phone and have fault, not meet very much the custom that the user uses mobile phone.
The method that current handset starting generally adopts two-stage to load, at first carry out the program or the hardware of (ROM) in the read-only memory that is solidificated in internal system, by this program loading procedure 1 (being also referred to as the BOOTLOADER program) is copied in the inner buffer memory and to move boot, perhaps copy by hardware.In loading procedure 1, to other main memories of system for example SDRAM carry out initialization, and copy loading procedure 2 is to main memory.In main memory, move loading procedure 2 then, finish the copy of mobile phone main program by loading procedure 2.
NAND FLASH flash memories is made up of a lot of BLOCK pieces, because itself there is the influence of bad piece in NAND FLASH, the manufacturer of NAND FLASH only guarantees the correctness of first BLOCK now.Above-mentioned loading procedure 1 is copied by the hardware program curing, so position of depositing and size can not surpass the scope of program curing copy.And loading procedure 1 program quantitative limitation can't realize the management of NAND FLASH memory, carries out effective bad piece inspection.Therefore in order to guarantee the reliability of loading procedure 1 and loading procedure 2, we are limited in loading procedure within the 16K byte, because the capacity that BLOCK is the 16K byte of NAND FLASH.If strengthen the size of code of loading procedure 2, then loading procedure surpasses the 16K byte, just must place among first BLOCK of NAND FLASH BLOCK in addition, bad piece might appear storing, and bad piece has appearred on the position that loading procedure is deposited, mobile phone just can't obtain correct loading procedure, thus the catastrophe failure that appearance can't be started shooting and can't be repaired, and there is great quality risk in mobile phone.
For the program correctness that guarantees mobile phone and the stability of handset capability, loading procedure must be left among first BLOCK of NAND FLASH.And the BLOCK of NAND FLASH has only the capacity of 16K byte, and mobile phone display screen LCD carries out the data presented amount more than the 40K byte, so the restriction of BLOCK capacity makes mobile phone can't carry out the more data processing in loading procedure and carries out the demonstration of LCD, and the needed copy time of big size of code of mobile phone is long, so just exist from the user and press the start key to showing the time of starting shooting the LCD picture and lighting key-press backlight up to 10 seconds, mobile phone power-on long shortcoming start-up time.
Summary of the invention
Purpose of the present invention, press the start key to showing start LCD picture and lighting the problem of the overlong time of key-press backlight from the user when being that solving the user starts shooting, a kind of TD-SCDMA mobile phone and its implementation that can quick open, start have been proposed, realized the fast reaction of mobile phone power-on, and the size of code that loading procedure is total remains in the 16KB, thereby has guaranteed the correctness of mobile phone main program and the stability of handset capability.
In order to achieve the above object, the present invention includes main memory, peripheral hardware and the microprocessor of the stored program non-power-failure volatile memory of mobile phone NAND FLASH, executive program, comprise that also the loading procedure of mobile phone power-on is placed on first piece of NAND FLASH memory, the mobile phone power-on display picture data is contained in the mobile phone main program in that the placement location of NANDFLASH memory is non-.
Described loading procedure comprises first loading procedure and second loading procedure.The mobile phone power-on display picture data is placed in 6 pieces before of NAND FLASH memory mobile phone main program position.
The method that the TD-SCDMA mobile phone power-on starts fast is characterized in that may further comprise the steps:
Carry out microprocessor internal behind the mobile phone power-on and solidify start-up routine, first loading procedure is copied to the step of mobile phone inner buffer;
Carry out first loading procedure, second loading procedure is copied to the step of mobile phone main memory;
Carry out second loading procedure, read the picture video data that is stored among the NAND FLASH and show on the LCD screen, the copy main program is to the step of mobile phone main memory;
Processor pointed main program start address and the step of carrying out.
Described first loading procedure and the second loading procedure capacity keep being placed on first piece of NAND FLASH memory in the 16KB space.The mobile phone power-on display picture data is placed in 6 pieces before of NAND FLASH memory mobile phone main program position.
The first above-mentioned loading procedure may further comprise the steps:
Start the step of ARM and initialization main memory, clock;
Copy the step of second loading procedure to the mobile phone main memory;
The step of putting the processor pointed second loading procedure initial address and carrying out.
The second above-mentioned loading procedure may further comprise the steps:
The various start conditions of detection of handset are not if satisfy condition then the step of powered-down and shutdown;
Satisfy condition the step of then initialization LCD display;
Read the picture data that is stored among the NAND FLASH, show start-up picture and open the step of backlight;
The copy main program is to the mobile phone main memory and show the step of copy progress;
Processor pointed main program start address and the step of carrying out.
Mobile phone second loading procedure detect the start condition comprise whether have long by power key, whether insert charger, whether have RTC to interrupt.
Use the present invention and can start the TD-SCDMA mobile phone fast, the user by power key after 2 seconds mobile phone promptly start and display frame, mobile phone also can support RTC regularly and insert multiple power on mode such as charger charging.
Description of drawings:
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a hardware connection side block diagram of the present invention;
Fig. 2 is the schematic diagram that loading procedure 1 and loading procedure 2 are formed a loading procedure;
Fig. 3 is loading procedure 1 and the position view of loading procedure 2 in NAND FLASH memory;
Fig. 4 is the flow chart that mobile phone power-on carries out system loads;
Fig. 5 is the position view of start-up picture data presented in NAND FLASH memory;
Fig. 6 is loading procedure 2 and the mobile phone main program relative position schematic diagram at the mobile phone main memory;
Fig. 7 is the flow chart of loading procedure 1;
Fig. 8 is the flow chart of loading procedure 2;
Embodiment
As shown in Figure 1, be the connected mode of memory, external equipment and microprocessor in the mobile phone, the memory in the mobile phone is respectively the read-only memory (ROM or EPROM) that solidifies in the inner buffer (SRAM), mobile phone of non-power-failure volatile ram (NAND FLASH), main memory (SDRAM) and microprocessor.The EPROM that solidifies in the mobile phone is used for the loading procedure among the NAND FLASH 1 is copied in the inner buffer, and the microprocessor that also has copies the loading procedure among the NAND FLASH 1 to inner buffer with the mode that hardware duplicates.The mobile phone main memory can be SDRAM or SRAM etc.External equipment comprises LCD LCDs and keyboard.
As shown in Figure 2, NAND FLASH flash memories is made up of a lot of BLOCK pieces, because there is bad piece problem of unstable in NANDFLASH itself, the manufacturer of NAND FLASH can only guarantee the correctness of first BLOCK now.Therefore, mobile phone loading procedure 1 and loading procedure 2 are formed a combination loading procedure, be stored in first piece inside of NAND FLASH, wherein loading procedure 1 is less than 4 PAGE, loading procedure 2 is less than 28 PAGE, program of their common compositions, the centre does not have the local padding data 0XFF of program, guarantees that at last the size restriction of combination loading procedure is the capacity that does not exceed first piece of NAND FLASH within the 16KB.
Claim a combination loading procedure to write among first BLOCK of NAND FLASH by download tool loading procedure 1 and loading procedure 2 merging by the PC software of writing, wherein loading procedure is limited in 4 PAGE (page or leaf), a BLOCK generally is made up of 32 PAGE in the NAND FLASH memory, each page or leaf comprises 512 bytes, and being placed on anterior locations, loading procedure 2 accounts for the back that 28 PAGE are placed on loading procedure 1.
The position of loading procedure 1 and loading procedure 2 and combination loading procedure place NAND FLASH has been described as shown in Figure 3.We are placed on loading procedure 1 among preceding 4 PAGE of first BLOCK, loading procedure 2 are placed among back 28 PAGE of first BLOCK.And can be according to the concrete size of loading procedure 1 and loading procedure 2, regulate loading procedure 1 and loading procedure 2 position at NAND FLASH, but total procedure quantity of combination loading procedure can not surpass 16KB, make the stability of mobile phone that great assurance is arranged like this, reduce mobile phone owing to the failure rate that bad piece of NAND FLASH produces, reduced the risk of product simultaneously.
As shown in Figure 4, be the order of mobile phone load and execution program, handset starting behind the user key-press is carried out the program of solidifying among the microprocessor internal ROM earlier, finish in the inner buffer that loading procedure 1 copies microprocessor to, this process also can be finished by the hardware in the microprocessor.After loading procedure 1 copies the buffer memory of microprocessor internal to, in inner buffer, carry out loading procedure 1, in the main memory of mobile phone, carry out loading procedure 2 after copy is finished, finish the copy of main program by loading procedure 2 by loading procedure 1 copy loading procedure 2.
As shown in Figure 5, after mobile phone power-on started, in order to occur display message fast on LCD, the present invention was placed on an ad-hoc location of NAND FLASH memory to the image data that needs on the LCD display to show separately, is not included in the mobile phone main program.Can add that before the starting position of main program the data of 6 BLOCK are total to 96KB and are used to place image data by PC software, 0XFF is added in vacant position.If for the super large display screen, picture data presented amount surpasses 96K can also expand this memory space.
As shown in Figure 6, it is the relative position signal in main memory of loading procedure 2 and main program, starting position when the starting position of loading procedure 2 and main program must be its program location here, loading procedure 2 is when the copy main program, main program can not cover loading procedure 2, and that is to say to have lucky memory space to place main program.In main memory, the position size of placing main program can not surpass the starting position of loading procedure 2, and loading procedure 2 begins will have enough spaces to satisfy its operation to the end of main memory, comprises the space of ZI data and stack.
As shown in Figure 7, be the flow chart of loading procedure 1, the main memory of mobile phone does not also have initialization during owing to handset starting, therefore at first will be to the main memory initialization of mobile phone.After main memory can be worked, loading procedure 2 is copied in the main memory of mobile phone.After having finished the copy of loading procedure 2, loading procedure 1 is with the start address of the program pointer pressure sensing loading procedure 2 of processor, and processor is from loading procedure 2 beginning executive programs.
Loading procedure 1 will carry out initialization to main memory, the system clock CLK of mobile phone, and its purpose makes the main memory can operate as normal.
The loading procedure 2 that loading procedure 1 will leave back 28 PAGE among first BLOCK of NAND FLASH in copies in the main memory.
As shown in Figure 8, be the flow chart of loading procedure 2, initialization button at first in loading procedure 2, charging and RTC (real-time clock) charging detect the start condition then, for example the behavior whether useful head of a household presses the start key, whether insert charger, whether have RTC to interrupt.If do not satisfy the start condition, then close each road power supply of mobile phone, finish shutdown.If satisfy the start condition, mobile phone begins to show initialization LCD, and read the video data that leaves NAND FLASH in, finish the demonstration of LCD and open backlight, next loading procedure 2 copy main programs are to the main memory of mobile phone, and the progress of demonstration copy procedure, allow the cellphone subscriber very clearly know the operation conditions of current phone, in copy main program process, main program can not cover the loading procedure 2 of current execution in main memory, after the main program copy finishes,, in main memory, carry out main program with the starting position that the program pointer of microprocessor is forced the sensing main program.And in above-mentioned copy procedure, can carry out management to NAND FLASH memory, be used for detecting and skipping the bad piece of NAND FLASH.
The beginning that the picture of the start-up picture of mobile phone adds the main program of mobile phone to the program of a PC is partly stored, in general adopt main program to begin the data that part is added 96KB (6 BLOCK) at mobile phone, the front is to need picture displayed in the space of this 96KB, and the back does not have section data to replace with FF.This space can be adjusted at any time according to the needs of hardware.
Loading procedure 2 copy main programs are in the main memory process, and main program can not cover the position at loading procedure 2 places, system start-up main program after the main program loading is finished.
Do not need to do the detection of start condition in main program is carried out, what open state only needs to judge current is, and in start process not initialization LCD and relevant GPIO etc., the start-up picture on the screen is not disappeared.
Claims (9)
1. quick open, start and the TD-SCDMA mobile phone that shows, the main memory, peripheral hardware and the microprocessor that comprise the stored program non-power-failure volatile memory of mobile phone NAND FLASH, executive program, it is characterized in that also comprising that the loading procedure of mobile phone power-on is placed on first piece of NAND FLASH memory, the mobile phone power-on display picture data is contained in the mobile phone main program in that the placement location of NAND FLASH memory is non-.
2. quick open, start according to claim 1 and the TD-SCDMA mobile phone that shows is characterized in that described loading procedure comprises first loading procedure and second loading procedure.
3. according to the TD-SCDMA mobile phone of claim 1 or 2 described quick open, starts and demonstration, it is characterized in that described mobile phone power-on display picture data is placed in 6 pieces before of NAND FLASH memory mobile phone main program position.
4.TD-SCDMA the method that mobile phone power-on starts fast is characterized in that may further comprise the steps:
Carry out microprocessor internal behind the mobile phone power-on and solidify start-up routine, first loading procedure is copied to the step of mobile phone inner buffer;
Carry out first loading procedure, second loading procedure is copied to the step of mobile phone main memory;
Carry out second loading procedure, read the picture video data that is stored among the NAND FLASH and show on the LCD screen, the copy main program is to the step of mobile phone main memory;
Processor pointed main program start address and the step of carrying out.
5. the method that TD-SCDMA mobile phone power-on according to claim 4 starts fast is characterized in that first loading procedure and the second loading procedure capacity keep being placed on first piece of NAND FLASH memory in the 16KB space.
6. the method that TD-SCDMA mobile phone power-on according to claim 4 starts fast is characterized in that the mobile phone power-on display picture data is placed in 6 pieces before of NAND FLASH memory mobile phone main program position.
7. according to claim 4, the quick method that starts of 5 or 6 described TD-SCDMA mobile phone power-ons, it is characterized in that first loading procedure may further comprise the steps:
Start the step of ARM and initialization main memory and system clock;
Copy the step of second loading procedure to the mobile phone main memory;
The step of putting the processor pointed second loading procedure initial address and carrying out.
8. according to claim 4, the quick method that starts of 5 or 6 described TD-SCDMA mobile phone power-ons, it is characterized in that second loading procedure may further comprise the steps:
The various start conditions of detection of handset are not if satisfy condition then the step of powered-down and shutdown;
Satisfy condition the step of then initialization LCD display;
Read the picture data that is stored among the NAND FLASH, show start-up picture and open the step of backlight;
The copy main program is to the mobile phone main memory and show the step of copy progress;
Processor pointed main program start address and the step of carrying out.
9. the method that TD-SCDMA mobile phone power-on according to claim 8 starts fast, it is characterized in that mobile phone second loading procedure detect the start condition comprise whether have long by power key, whether insert charger, whether have RTC to interrupt.
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| CN200610069465A CN1946210B (en) | 2006-10-17 | 2006-10-17 | TD-SCDMA mobile phone for quick open, start and display and its realizing method |
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| CN200610069465A CN1946210B (en) | 2006-10-17 | 2006-10-17 | TD-SCDMA mobile phone for quick open, start and display and its realizing method |
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| CN1946210A true CN1946210A (en) | 2007-04-11 |
| CN1946210B CN1946210B (en) | 2010-05-12 |
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